Is the sponsor have experience, are they focused (are they running 1-2 types of funds or they doing MF, retail, office, oil/gas, MHP, etc).

Sounds like you have a well oiled machine that you are running, well done!!

Know one investor who went from notes to commercial office, to crypto and oil and gas.

However, this was in a “depression” Houston “Oil” market in 1982-3. 

An environmental analysis showed that the seller has been dumping motor oil in the open field in back of the property and the motor oil had worked its way into the sewer  system.  

We paint all of the trim with an oil based paint that's much more durable.

They really know what theyre doing and are a multi million dollar REIG very well established, well oiled deal flow.

My husband has a w2 position in the oil and gas industry.

As far as maintenance, modern solar systems don’t require any maintenance at all (no moving parts, nothing to oil or maintain).

I am parts of groups where people invested in coffee, oil and gas, ATM machines etc. because they were chasing the depreciation components (especially back when there was 100% depreciation), they got all that depreciation but in some instances the funds took a turn for the worse and not only did they lose their investment they also owed money due back to the IRS for depreciation recapture where they took too much depreciation.